ac

third_party/WebKit/Source/devtools/front_end/components/RemoteObjectPreviewFormatter.js

Index: third_party/WebKit/Source/devtools/front_end/components/RemoteObjectPreviewFormatter.js
diff --git a/third_party/WebKit/Source/devtools/front_end/components/RemoteObjectPreviewFormatter.js b/third_party/WebKit/Source/devtools/front_end/components/RemoteObjectPreviewFormatter.js
index 30cb1a700ee91cca76392ab33f5162e37f90aa55..1eff924ae65596a0dcc053a1075f377812627247 100644
--- a/third_party/WebKit/Source/devtools/front_end/components/RemoteObjectPreviewFormatter.js
+++ b/third_party/WebKit/Source/devtools/front_end/components/RemoteObjectPreviewFormatter.js
@@ -28,8 +28,22 @@ Components.RemoteObjectPreviewFormatter = class {
       parentElement.appendChild(this.renderPropertyPreview(preview.type, preview.subtype, description));
       return;
     }
-    if (description && preview.subtype !== 'array')
-      parentElement.createTextChildren(description, ' ');
+    if (description) {
+      if (Runtime.experiments.isEnabled('objectPreviews')) {
+        var text = '';
+        if (preview.subtype === 'typedarray' || preview.subtype === 'map' || preview.subtype === 'set')
+          text = description.replace(/\[([0-9]+)\]|\(([0-9]+)\)/, '');
+        else if (preview.subtype !== 'array')
+          text = description;
+        var size = SDK.RemoteObject.arrayLength(preview) || SDK.RemoteObject.mapOrSetEntriesCount(preview);
+        if (size > 1)
+          text += '(' + size + ')';
+        if (text.length > 0)
+          parentElement.createChild('span', 'object-description').textContent = text + ' ';
+      } else if (preview.subtype !== 'array') {
+        parentElement.createTextChildren(description, ' ');
+      }
+    }
 
     var isArray = preview.subtype === 'array' || preview.subtype === 'typedarray';
     parentElement.createTextChild(isArray ? '[' : '{');